CA2455503C - Process to manufacture flexible polyurethane foams - Google Patents

Process to manufacture flexible polyurethane foams Download PDF

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Publication number
CA2455503C
CA2455503C CA2455503A CA2455503A CA2455503C CA 2455503 C CA2455503 C CA 2455503C CA 2455503 A CA2455503 A CA 2455503A CA 2455503 A CA2455503 A CA 2455503A CA 2455503 C CA2455503 C CA 2455503C
Authority
CA
Canada
Prior art keywords
polyol
foam
polyol compound
polyols
autocatalytic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2455503A
Other languages
English (en)
French (fr)
Other versions
CA2455503A1 (en
Inventor
Johnson Tu
Francois M. Casati
Lance A. Cooper
Jean-Marie L. Sonney
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Global Technologies LLC
Original Assignee
Dow Global Technologies LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies LLC filed Critical Dow Global Technologies LLC
Publication of CA2455503A1 publication Critical patent/CA2455503A1/en
Application granted granted Critical
Publication of CA2455503C publication Critical patent/CA2455503C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4833Polyethers containing oxyethylene units
    • C08G18/4837Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/4841Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/50Polyethers having heteroatoms other than oxygen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4804Two or more polyethers of different physical or chemical nature
    • C08G18/482Mixtures of polyethers containing at least one polyether containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/50Polyethers having heteroatoms other than oxygen
    • C08G18/5021Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5024Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0008Foam properties flexible
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0041Foam properties having specified density
    • C08G2110/005< 50kg/m3
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0083Foam properties prepared using water as the sole blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
CA2455503A 2001-08-15 2002-08-15 Process to manufacture flexible polyurethane foams Expired - Fee Related CA2455503C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31257601P 2001-08-15 2001-08-15
US60/312,576 2001-08-15
PCT/US2002/026222 WO2003016372A1 (en) 2001-08-15 2002-08-15 Process to manufacture flexible polyurethane foams

Publications (2)

Publication Number Publication Date
CA2455503A1 CA2455503A1 (en) 2003-02-27
CA2455503C true CA2455503C (en) 2011-03-22

Family

ID=23212098

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2455503A Expired - Fee Related CA2455503C (en) 2001-08-15 2002-08-15 Process to manufacture flexible polyurethane foams

Country Status (15)

Country Link
US (1) US7361695B2 (de)
EP (1) EP1419189B1 (de)
JP (1) JP4220384B2 (de)
KR (1) KR100909946B1 (de)
CN (1) CN1262569C (de)
AT (1) ATE497983T1 (de)
BR (1) BRPI0211861B1 (de)
CA (1) CA2455503C (de)
DE (1) DE60239136D1 (de)
ES (1) ES2357642T3 (de)
HU (1) HU229193B1 (de)
MX (1) MXPA04001427A (de)
TW (1) TW592813B (de)
WO (1) WO2003016372A1 (de)
ZA (1) ZA200400647B (de)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1319034B1 (de) * 2000-09-13 2011-10-26 Dow Global Technologies LLC Polyole mit autokatalytischen eigenschaften und polyurethanprodukte
US20060281893A1 (en) * 2003-06-13 2006-12-14 Dow Global Technologies Inc. Catalyst composition to get polyurethane product with good hydrolysis resitstance
DE10337319A1 (de) 2003-08-12 2005-03-17 Basf Ag Verfahren zur Herstellung von Polyetheralkoholen
US7078443B2 (en) * 2003-10-22 2006-07-18 Intellectual Property Holdings, Llc Viscoelastic foam layer and composition
EP1679327A4 (de) * 2003-10-28 2009-04-29 Mitsui Chemicals Polyurethanes Polyurethan-weichschaumstoff und verwendung davon
BRPI0417327B1 (pt) * 2003-12-23 2014-03-11 Dow Global Technologies Inc Composição de catalisador, composição de poliol e processo para a produção de um produto de poliuretano
US20070287762A1 (en) * 2003-12-23 2007-12-13 Casati Francois M Tertiary Amine Capped Polyether Polyols
MXPA06011237A (es) * 2004-03-31 2007-01-16 Dow Global Technologies Inc Composicion de isocianato modificado con uretano y producto de poliuretano del mismo.
WO2006055396A1 (en) * 2004-11-17 2006-05-26 Dow Global Technologies, Inc. Acid blocked, amine based, autocatalytic polyols and polyurethane foams made therefrom
DK1940931T3 (da) * 2005-10-14 2011-03-28 Dow Global Technologies Inc Kompositgenstand og fremgangsmåde til fremstilling heraf ved anvendelse af isocyanatafsluttet præpolymer som binder
BRPI0715043A2 (pt) * 2006-09-25 2013-05-28 Dow Global Technologies Inc mÉtodo para preparar uma espuma de poliuretano e espuma
US8552078B2 (en) 2006-10-17 2013-10-08 Air Products And Chemicals, Inc. Crosslinkers for improving stability of polyurethane foams
US8367870B2 (en) 2007-09-19 2013-02-05 Air Products And Chemicals, Inc. Autocatalytic polyols
EP2072556A1 (de) * 2007-12-17 2009-06-24 Sika Technology AG Verfahren zur Herstellung von hydroxyfunktionellen Polymeren, die hieraus gewinnbaren Isocyanatgruppen-endständigen Polyadditionsprodukte sowie deren Verwendung
EP2350157B1 (de) * 2008-10-24 2013-03-20 Basf Se Verfahren zur herstellung von viskoelastischen polyurethan-weichschaumstoffen
AU2010221725A1 (en) * 2009-03-05 2011-10-06 Dow Global Technologies Inc. Polyols from HPPO and polyurethane products made therefrom
US10113043B2 (en) * 2010-02-26 2018-10-30 Twin Brook Capital Partners, Llc Polyurethane gel particles, methods and use in flexible foams
US20130296449A1 (en) * 2010-02-26 2013-11-07 Peterson Chemical Technology, Inc. Polyurethane Gel-Like Polymers, Methods and Use in Flexible Foams
WO2011159424A1 (en) 2010-06-15 2011-12-22 Dow Global Technologies Llc Method for making polyurethane foam floor covering products with postconsumer carpet fibers
KR101466075B1 (ko) 2010-07-09 2014-11-27 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 가요성 폴리우레탄 포움을 생산하는 방법
JP5706525B2 (ja) 2010-07-09 2015-04-22 エア プロダクツ アンド ケミカルズ インコーポレイテッドAir Products And Chemicals Incorporated ポリウレタンフォームの性能を改良するための添加剤
KR101795111B1 (ko) * 2010-10-01 2017-11-07 다우 글로벌 테크놀로지스 엘엘씨 저밀도 고탄성 가요성 폴리우레탄 폼의 제조 방법
US9968919B2 (en) 2011-06-29 2018-05-15 Evonik Degussa Gmbh Reducing emissions in polyurethane foam
US9145466B2 (en) 2011-07-07 2015-09-29 Air Products And Chemicals, Inc. Process for producing flexible polyurethane foam using natural oil polyols
US9447223B2 (en) 2011-07-07 2016-09-20 Air Products And Chemicals, Inc. Additives for improving natural oil based polyurethane foam performance
US10106638B2 (en) 2011-07-29 2018-10-23 Evonik Degussa Gmbh Reduced emissions low density spray polyurethane foam
US9273175B2 (en) 2011-10-03 2016-03-01 Air Products And Chemicals, Inc. Tertiary amine composition and method for making the composition
US9765009B2 (en) 2011-11-17 2017-09-19 Evonik Degussa Gmbh Processes, products, and compositions having tetraalkylguanidine salt of aromatic carboxylic acid
PL2797902T3 (pl) 2011-12-29 2017-09-29 Dow Global Technologies Llc Kompozycje zawierające cykliczne związki aminowe i wytworzone z nich pianki poliuretanowe
US10144811B2 (en) 2012-03-30 2018-12-04 Evonik Degussa Gmbh Polyurethane foam production process, pre-mix formulation, and product
US10023681B2 (en) 2012-10-24 2018-07-17 Evonik Degussa Gmbh Delay action catalyst for improving the stability of polyurethane systems having halogen containing blowing agents
JP6191244B2 (ja) * 2013-05-30 2017-09-06 旭硝子株式会社 ポリマー分散ポリオール組成物の製造方法および引火点を上昇させる方法
KR101850508B1 (ko) 2013-12-19 2018-04-19 에보니크 데구사 게엠베하 개선된 시스템 저장 수명 안정성을 위한 비방출성 아민 조성물
WO2015153316A1 (en) 2014-04-01 2015-10-08 Dow Global Technologies Llc Polyether polyol providing good blow-gel balance for polyurethane products made therefrom
JP6594414B2 (ja) 2014-09-12 2019-10-23 エボニック デグサ ゲーエムベーハー イソシアネート反応性アミン触媒で作られた低エミッションのポリウレタンフォーム
CA2963272C (en) 2014-10-13 2023-03-21 Evonik Degussa Gmbh Polyurethane catalysts from sulfur based salts
MX2017014036A (es) 2015-05-05 2018-03-01 Evonik Degussa Gmbh Composiciones catalizadoras de gelificacion de accion retardada y metodos para fabricar polimeros de poliuretano.
JP6843772B2 (ja) 2015-06-01 2021-03-17 エボニック オペレーションズ ゲーエムベーハー ポリウレタン用途のための反応性アミン触媒
PL3310824T3 (pl) 2015-06-16 2021-01-11 Evonik Operations Gmbh Wychwytywacze aldehydów do pianek poliuretanowych
US10696777B2 (en) 2015-06-16 2020-06-30 Evonik Operations Gmbh Aldehyde scavengers mixtures for polyurethane foams
JP2018519381A (ja) 2015-06-19 2018-07-19 ダウ グローバル テクノロジーズ エルエルシー ポリウレタンフォーム製造に有用な自己触媒ポリオール
BR112018071024A2 (pt) 2016-04-12 2019-02-12 Evonik Degussa Gmbh composições tensoativas de copolímero de siloxano-oxialquileno, espuma de poliuretano e seu método de produção
KR20190018471A (ko) * 2016-06-13 2019-02-22 다우 글로벌 테크놀로지스 엘엘씨 자가촉매 폴리올
US11021561B2 (en) 2016-07-11 2021-06-01 Evonik Operations Gmbh Amine composition useful for making polyurethane foam
US10767008B2 (en) 2017-01-16 2020-09-08 Covestro Llc Polymer polyols comprising amine based polyether polyols and a process for preparing these polymer polyols
EP3571239B1 (de) 2017-01-23 2022-06-01 Dow Global Technologies LLC Polyurethanweichschaumstoff und verfahren zur herstellung
CN107189028B (zh) * 2017-06-23 2020-02-28 黎明化工研究设计院有限责任公司 一种环保高性能快速脱模聚氨酯反应注射成型组合物及其自催化扩链剂的制备方法
JP7286636B2 (ja) 2017-11-10 2023-06-05 ダウ グローバル テクノロジーズ エルエルシー ポリウレタン発泡体系
CN111263781B (zh) 2017-11-10 2022-10-18 陶氏环球技术有限责任公司 聚氨酯泡沫系统
US10479862B2 (en) 2017-12-07 2019-11-19 Covestro Llc Amine based polymer polyol stabilizers
US10526484B2 (en) 2017-12-20 2020-01-07 Covestro Llc Dithiocarbonate containing polyols as polymer polyol stabilizers
EP3584726A1 (de) * 2018-06-18 2019-12-25 Covestro Deutschland AG Verfahren und computersystem zur bestimmung von polymerprodukteigenschaften
CN109971007B (zh) * 2019-04-01 2021-05-28 江南大学 一种常温固化聚氨酯类防雾薄膜及其制备方法
EP3760659A1 (de) * 2019-07-01 2021-01-06 Covestro Deutschland AG Amingestartete polyole als einbaubare katalysatoren im hr-schaum
US11814566B2 (en) 2020-07-13 2023-11-14 L&P Property Management Company Thermally conductive nanomaterials in flexible foam
EP3954722A1 (de) 2020-07-30 2022-02-16 Evonik Operations GmbH Verfahren und zusammensetzung zur herstellung von polyurethanweichschaum
US11738487B2 (en) * 2021-01-22 2023-08-29 Covestro Llc Processes for making molded flexible foams and flexible foams produced thereby
US20220235168A1 (en) * 2021-01-22 2022-07-28 Covestro Llc Processes for making molded flexible foams and flexible foams produced thereby
US11597862B2 (en) 2021-03-10 2023-03-07 L&P Property Management Company Thermally conductive nanomaterial coatings on flexible foam or fabrics

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE235878C (de)
US3838076A (en) 1973-03-12 1974-09-24 Jefferson Chem Co Inc Polyurethane foams from partially aminated polyether polyols
US4049931A (en) 1975-05-29 1977-09-20 Union Carbide Corporation Catalyst systems containing dimethylamino ether mono-ols for polyurethane foam formation
US4383070A (en) * 1982-05-27 1983-05-10 Mobay Chemical Corporation Storage stable polyurethane compositions
US4530941A (en) * 1983-01-26 1985-07-23 The Dow Chemical Company Reaction injection molded polyurethanes employing high molecular weight polyols
US4517313A (en) 1984-04-11 1985-05-14 Abbott Laboratories Method of making polyurethane foam
DE3435070A1 (de) 1984-09-25 1986-04-03 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von gegebenenfalls geschaeumten polyurethanen, die mit einem anderen werkstoff verbunden oder konfektioniert worden sind
DD235878B5 (de) * 1985-04-02 1994-04-28 Basf Schwarzheide Gmbh Verfahren zur Herstellung autokatalytisch wirkender Polyetheralkohole
GB2199504A (en) * 1987-01-06 1988-07-13 Peter Egan Directional dice
US4963399A (en) 1987-03-31 1990-10-16 Union Carbide Chemicals And Plastics Company, Inc. Polyurethane foam with low vinyl-staining tendencies
US5223547A (en) 1990-11-27 1993-06-29 Kao Corporation Polyurethane, process for producing the same, and process for producing polyurethane foam
DE4135588A1 (de) * 1991-10-29 1993-05-06 Basf Ag, 6700 Ludwigshafen, De Hochreaktive, tertiaere aminogruppen gebunden enthaltende polyoxyalkylenpolyole, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von polyisocyanat-polyadditionsprodukten
GB9215488D0 (en) 1992-07-21 1992-09-02 Polyol Int Bv Isocyanate modified amines as catalysts useful for the preparation of polyurethane materials
US5508340A (en) * 1993-03-10 1996-04-16 R. E. Hart Labs, Inc. Water-based, solvent-free or low voc, two-component polyurethane coatings
IT1270979B (it) 1993-09-30 1997-05-26 Afros Spa Procedimento e apparecchiatura per la produzione in continuo di schiume poliuretaniche in blocchi
DE4437878A1 (de) 1994-10-22 1996-04-25 Basf Ag Verfahren zur Herstellung von fogging-armen Polyurethan-Schaumstoffen und hierfür verwendbare spezielle Polyoxyalkylen-polyole
EP0747407B1 (de) 1995-06-05 1999-01-13 Air Products And Chemicals, Inc. Hydroxymethylchinuclidin-Katalysatorzusammensetzungen zur Herstellung von Polyurethanschäumen
DE19744747A1 (de) 1997-10-10 1999-04-15 Basf Ag Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen
US5874485A (en) * 1997-11-10 1999-02-23 Bayer Corporation Flexible foams and flexible molded foams based on allophanate-modified diphenylmethane diisocyanates and processes for the production of these foams
US6762274B2 (en) * 2000-02-10 2004-07-13 Dow Global Technologies Inc. Low emission polyurethane polymers made with autocatalytic polyols
WO2001058976A1 (en) * 2000-02-10 2001-08-16 Dow Global Technologies Inc. Low emission polyurethane polymers made with autocatalytic polyols
US6924321B2 (en) * 2001-08-16 2005-08-02 Dow Global Technologies Inc. Polyols with autocatalytic characteristics and polyurethane products made therefrom

Also Published As

Publication number Publication date
JP2005500416A (ja) 2005-01-06
HUP0401049A3 (en) 2008-04-28
JP4220384B2 (ja) 2009-02-04
ES2357642T3 (es) 2011-04-28
US20040242718A1 (en) 2004-12-02
WO2003016372A1 (en) 2003-02-27
KR100909946B1 (ko) 2009-07-30
HUP0401049A2 (hu) 2004-08-30
CN1541234A (zh) 2004-10-27
CA2455503A1 (en) 2003-02-27
EP1419189B1 (de) 2011-02-09
MXPA04001427A (es) 2004-06-03
DE60239136D1 (de) 2011-03-24
CN1262569C (zh) 2006-07-05
US7361695B2 (en) 2008-04-22
BR0211861A (pt) 2004-09-21
TW592813B (en) 2004-06-21
KR20040030084A (ko) 2004-04-08
HU229193B1 (hu) 2013-09-30
ATE497983T1 (de) 2011-02-15
BRPI0211861B1 (pt) 2015-09-08
EP1419189A1 (de) 2004-05-19
ZA200400647B (en) 2005-03-30

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